q=the+research+on+practices+of+Shendong+large-sized+coal+base%2C+China&searchType=standard&isFacet=true&view=standard&rows=10&sortWay=score&sortOrder=desc&curlibcode=CYFG&searchWay0=marc&logical0=AND
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the research on practices of Shendong large-sized coal base, China